Annual report pursuant to Section 13 and 15(d)

Assets And Liabilities Measured At Fair Value (Details)

v3.6.0.2
Assets And Liabilities Measured At Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Estimate of Fair Value Measurement [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents $ 289 $ 68
Available-for-sale securities 489 474
Financial instrument assets 286 232
Debt 1,546 995
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 289 68
Available-for-sale securities 489 425
Financial instrument assets 16  
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities   49
Financial instrument assets 270 232
Debt $ 1,546 $ 995